| 摘要 |
A motor-driven hydraulic valve cartridge is used for controlling a flow of fluid through a cavity in a fluid circuit external to the valve cartridge. The valve cartridge includes a valve apparatus and a motor joined into a unitary structure adapted for removable attachment to the external fluid circuit. The unitary structure has a wetted portion thereof including a fluid inlet and a fluid outlet of the valve cartridge, with the wetted portion being disposed to extend into the cavity when the valve cartridge is attached to the external fluid circuit. The valve apparatus has a rotatable element for controlling fluid flow between the inlet and the outlet of the valve cartridge. The motor is fixedly attached to the valve apparatus, and operatively connected to the rotatable element of the valve apparatus for selectively controlling a flow of fluid from the inlet to the outlet of the valve cartridge.
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